diff --git a/dist/setup/index.js b/dist/setup/index.js
index 655da8d17..85f4f8998 100644
--- a/dist/setup/index.js
+++ b/dist/setup/index.js
@@ -71988,6 +71988,9 @@ class BaseDistribution {
             case 'win32':
                 dataFileName = `win-${osArch}-exe`;
                 break;
+            case 'aix':
+                dataFileName = `aix-${osArch}`;
+                break;
             default:
                 throw new Error(`Unexpected OS '${this.osPlat}'`);
         }
@@ -72005,9 +72008,17 @@ class BaseDistribution {
         return versions.sort(semver_1.default.rcompare);
     }
     translateArchToDistUrl(arch) {
+        const endianness = os_1.default.endianness().toLowerCase();
         switch (arch) {
             case 'arm':
                 return 'armv7l';
+            case 'ppc64':
+                switch (endianness) {
+                    case 'le':
+                        return 'ppc64le';
+                    default:
+                        return 'ppc64';
+                }
             default:
                 return arch;
         }
diff --git a/src/distributions/base-distribution.ts b/src/distributions/base-distribution.ts
index 756cfc5a3..1cf3d0a29 100644
--- a/src/distributions/base-distribution.ts
+++ b/src/distributions/base-distribution.ts
@@ -1,4 +1,4 @@
-import {v4 as uuidv4} from 'uuid';
+import { v4 as uuidv4 } from 'uuid';
 import * as tc from '@actions/tool-cache';
 import * as hc from '@actions/http-client';
 import * as core from '@actions/core';
@@ -11,7 +11,7 @@ import * as path from 'path';
 import os from 'os';
 import fs from 'fs';
 
-import {NodeInputs, INodeVersion, INodeVersionInfo} from './base-models';
+import { NodeInputs, INodeVersion, INodeVersionInfo } from './base-models';
 
 export default abstract class BaseDistribution {
   protected httpClient: hc.HttpClient;
@@ -67,7 +67,7 @@ export default abstract class BaseDistribution {
   protected evaluateVersions(versions: string[]): string {
     let version = '';
 
-    const {range, options} = this.validRange(this.nodeInfo.versionSpec);
+    const { range, options } = this.validRange(this.nodeInfo.versionSpec);
 
     core.debug(`evaluating ${versions.length} versions`);
 
@@ -157,7 +157,7 @@ export default abstract class BaseDistribution {
     const c = semver.clean(versionSpec) || '';
     const valid = semver.valid(c) ?? versionSpec;
 
-    return {range: valid, options};
+    return { range: valid, options };
   }
 
   protected async acquireWindowsNodeFromFallbackLocation(
@@ -262,6 +262,9 @@ export default abstract class BaseDistribution {
       case 'win32':
         dataFileName = `win-${osArch}-exe`;
         break;
+      case 'aix':
+        dataFileName = `aix-${osArch}`;
+        break;
       default:
         throw new Error(`Unexpected OS '${this.osPlat}'`);
     }
@@ -285,9 +288,17 @@ export default abstract class BaseDistribution {
   }
 
   protected translateArchToDistUrl(arch: string): string {
+    const endianness = os.endianness().toLowerCase()
     switch (arch) {
       case 'arm':
         return 'armv7l';
+      case 'ppc64':
+        switch (endianness) {
+          case 'le':
+            return 'ppc64le';
+          default:
+            return 'ppc64';
+        }
       default:
         return arch;
     }